*A closer look at great cats / David Cook and Valerie Pitt ; illustrated by Eric Tenney. - London : Watts, 1975. - 30 p. : ill. 27 cm

A *closer look at ants / Valerie Pitt and David Cook ; illustrated by Tony Swift and David Cook. - London : Hamilton, 1975. - 30 p. : ill. ; 27 cm.

A *closer look at deserts / Valerie Pitt and David Cook ; illustrated by Roy Coombs. - London : Hamilton H., 1975. - 30 p. : ill. ; 27 cm.

A *closer look at dogs / David Cook and Valerie Pitt ; illustrated by Richard Orr and Shireen Faircloth. - New York : F. Watts, 1975. - 30 p. : ill. ; 27 cm